Excavator undercarriage



FIG. 1 is a top, front, and right-side isometric view of an excavator undercarriage showing the new design.

FIG. 2 is a top plan view of the excavator undercarriage.

FIG. 3 is a right-side elevation view of the excavator undercarriage.

FIG. 4 is a left-side elevation view of the excavator undercarriage.

FIG. 5 is a front elevation view of the excavator undercarriage; and,

FIG. 6 is a rear elevation view of the excavator undercarriage.

The broken lines depict portions of the excavator undercarriage that form no part of the claimed design. 

CLAIM The ornamental design for an excavator undercarriage, as shown and described. 